Example image of eyePlorer eyePlorer map for 'Electroluminescence': Electric current Electric field Electrical phenomena Optical phenomenon Chemiluminescence Incandescence List of light sources Mechanoluminescence Sonoluminescence Electron Electron hole Semiconductor Spontaneous emission Photon Doping (semiconductor) Light-emitting diode Phosphor P–n junction Organic light-emitting diode Thin film Boron Copper Diamond Dopant Manganese Silver Zinc sulfide Gallium nitride Gallium(III) arsenide Backlight Liquid crystal display Cyan Green Pager Thermostat Watch Nightlight Finlux Planar Systems Sharp Corporation Indium Metal Tin Carbon nanotube Poly(3,4-ethylenedioxythiophene) Fluorescent lamp Negative resistance Electroluminescent display Electroluminescent wire Illuminator (backlight)